Incorrect humidity is a leading cause of respiratory disease and dysecdysis (shedding problems) in companion reptiles, with welfare consequences that are largely preventable through proper setup.
Humidity management is an invisible welfare variable in reptile keeping — too low or too high, with consequences invisible until disease or shedding problems manifest. The species-specific range is narrow and must be actively managed through appropriate enclosure design, substrate selection, and supplemental misting or drying as needed. Respiratory infections from chronically low humidity are painful and can be fatal without treatment. Retained sheds that constrict digits, tail tips, or spectacles over the eyes cause ischemia and tissue necrosis — permanent damage from a welfare problem that is completely preventable through appropriate husbandry. The investment in quality hygrometers and appropriate enclosure design prevents these welfare failures.